Sharp AR-C170 (serv.man5) Service Manual ▷ View online
AR-C170M PCU PWB 3 - 19
3
3
2
2
1
1
D
C
B
A
9/9
+5V
+24V
+5V
+3.3V
+3.3V
ACMA
<4>
ACMB
<4>
nPMC2A
<4>
PMC2A
<4>
PMC2B
<4>
nPMC2B
<4>
DMCMY_B
<1>
DMCMY_B\
<1>
nPMC5A
<4>
nPMC5B
<4>
PMC5B
<4>
FUSM_B\
<1>
PMC5A
<4>
FUSM_A\
<1>
FUSM_B
<1>
FUSM_A
<1>
DMCMY_A\
<1>
DMCMY_A
<1>
DMC_ACT(IO)\
<4>
DMM_ACT(IO)\
<4>
DMY_ACT(IO)\
<4>
DMY_ACT\
<1>
DMC_ACT\
<1>
DMM_ACT\
<1>
LUM1a
<1>
LUM1b
<1>
BLUM_B\
<1>
PMC6B
<4>
nPMC6B
<4>
nPMC7A
<4>
OFFSETM_A
<1>
PMC6A
<4>
nPMC6A
<4>
OFFSETM_B\
<1>
PMC7A
<4>
OFFSETM_B
<1>
OFFSETM_A\
<1>
nPMC7B
<4>
BLUM_A\
<1>
BLUM_B
<1>
BLUM_A
<1>
PMC7B
<4>
/DC_GAIN1
<1>
/DC_ONOFF
<1>
/DC_LOCK
<1>
PMC4CLK
<4>
DC_ONOFF(IO)
<4>
DC_LOCK(IO)
<4>
DC_CLK
<1>
DC_GAIN0(IO)
<4>
DC_GAIN1(IO)
<4>
/DC_GAIN0
<1>
BTM_A\
<1>
BTM_B
<1>
BTM_B\
<1>
BTM_A
<1>
C
E
B
10K
47K
10K
47K
F
F
2B
4
4C
9
COM1
1
2C
5
3B
6
3C
7
1C
3
1B
2
4B
8
COM2
10
IC40
STA401A
IC40
STA401A
1
8
2
7
3
6
4
5
BR36
1KJX4
BR36
1KJX4
5
4
6
3
7
2
8
1
BR38
1KJX4
BR38
1KJX4
1
8
2
7
3
6
4
5
BR50
1KJX4
BR50
1KJX4
C
E
B
10K
47K
10K
47K
R52
1KJ
R52
1KJ
R248
4.7KJ
R248
4.7KJ
R57
1KJ
1KJ
R57
1KJ
1KJ
4
5
2
7
3
6
1
8
BR51
47KJX4
BR51
47KJX4
R39
1KJ
R39
1KJ
2B
4
4C
9
COM1
1
2C
5
3B
6
3C
7
1C
3
1B
2
4B
8
COM2
10
IC39
STA401A
IC39
STA401A
1
8
2
7
3
6
4
5
BR48
1KJX4
BR48
1KJX4
4
5
2
7
3
6
1
8
BR49
47KJX4
BR49
47KJX4
R65
4.7KJ
4.7KJ
R65
4.7KJ
4.7KJ
C
E
B
10K
47K
10K
47K
+
C15
10uF/35V
10uF/35V
+
C15
10uF/35V
10uF/35V
F
F
R40
4.7KJ
4.7KJ
R40
4.7KJ
4.7KJ
C
E
B
10K
47K
10K
47K
C
E
B
10K
47K
10K
47K
NC
4
I1
9
I2
1
GN
D
5
VS
6
O1
7
O2
3
VC
C
2
VR
EF
8
IC12
TA7291AS
IC12
TA7291AS
C17
0.1uF
C17
0.1uF
R53
4.7KJ
4.7KJ
R53
4.7KJ
4.7KJ
1
8
2
7
3
6
4
5
BR26
1KJX4
BR26
1KJX4
Request 5V-CMOS level INPUT,
this Pulled up to 5V.
this Pulled up to 5V.
Q32
nm_DTC114YUA
Q29
nm_DTC114YUA
Q28
DTC114YUA
Q26
DTC114YUA
Q25
DTC114YUA
DTC114YUA
DRIVERs VS
AR-C170M PCU PWB 3 - 20
3. PARTS LAYOUT /
部品配置図
AR-C170M PCU PWB 3 - 21
AR-C170 ICU PWB 4 - 1
[4] ICU PWB
1. BLOCK DIAGRAM /
ブロック図
A. Except Japan
ICU PWB
IC
U
-I/
O
AS
IC
IC
5
6
U
P
D
6
5
9
4
9
G
D
IC
U
A
S
IC
IC
3
3
UP
D8
5
6
7
2
S
1
LE
D
A
S
IC
IC
2
4
U
P
D
6
59
46
G
RT
C
IC
6
3
N
JU
6
3
5
6
CP
U
IC
5
4
S
H
77
09
A
ST
D
. M
E
M
O
R
Y
SL
O
T
(2
5
6
M
B
)
DI
M
M
2
O
P
T
. ME
MO
R
Y
S
L
O
T
(1
28
or
25
6M
B
)
DI
M
M
1
BUF
FE
R
IC53
LC
X2
44
Q105
to
Q1
08
DTC114
F
IRM
W
A
RE
U
P
D
A
T
E
CON
N
ECT
O
R
CN
1
8
T
S
C
7
68
-0
1
PRIN
TE
RI
/F
CO
NN
EC
TO
R
CN17
TX
25-1
00P
CO
O
L
IN
G
F
A
N I
/F
CON
N
ECT
O
R
C
N
2
0
B3
B-P
H
-K
-S
IM
A
G
E P
A
T
H
SW
IT
C
H
IC
1
0
2
t
o
1
0
8
LC
X
2
4
4
PC
U
I
/F
C
O
N
N
E
C
T
O
R
CN
1
6
28
FM
Z
-B
T
EEP
R
OM
IC
5
0
H
N
5
8
C
2
5
6
AP
P
R
OGR
A
M
FL
A
S
H
SO
C
K
E
T
2
DO
WNL
O
A
D
F
L
A
S
H
SO
C
K
E
T
3
A (M
F
P
)
B (
P
C
U
)
PR
T
C
OP
E
RI
C
B(
PC
U)
( B
U
FF
ER
)
LC
X
1
4
& T
r
BU
F
F
E
R
IC
2
9
LC
X1
4
AD
D
R
E
S
S
&
D
A
T
A
BUS
B
U
F
F
E
R
s
IC
75
, 7
6
, 74
L
C
X
2
44
IC59, 57, 60, 61, 58 LCX245
12
8M
b
it
S
D
R
A
M
IC
5
5
BUF
F
E
R
s
IC
1
8
, 8
, 1
7
, 7
,
4
, 2
7
, 3
, 2
6
L
C
X
2
4
4
CONN
EC
TO
R(
K)
CN6
B22B
-P
HD
SS
-B
CON
NE
CT
OR
(C
)
CN5
B22B
-P
HD
SS
-B
CON
NE
CT
OR
(M
)
CN4
B22B
-P
HD
SS
-B
CONN
EC
TO
R(
Y)
CN9
B22B
-P
HD
SS
-B
MF
P
/
O
P
E
I/
F
CO
N
N
E
C
T
O
R
CN
13
B
2
4B
-P
H
D
S
S
LV
D
S
R
E
C
E
IV
E
R
IC
3
2
D
S
9
0
C
F
3
6
4
A
MT
D
MF
P
-L
V
D
S
I/
F
CO
N
N
EC
T
O
R
CN
1
0
B
1
4
B
-P
H
D
S
S
FP
GA
IC
10
9
E
P
M
3
03
2A
BUF
F
E
R
LC
X1
4
&
T
r
A(
MF
P)
MF
P
BU
F
F
E
R
IC
6
9
LC
X2
4
4
K
CM
Y
KCM
Y
KC
MY
CO
M
P
. /
D
E
C
O
M
P
. CH
IP
(f
o
r B
/W
. J
B
IG
/M
M
R
)
IC
4
8
P
M
-2
5
0
0
K
16
64
BU
F
F
E
R
IC
6
9
LC
X2
4
4
12
RG
B / K
SWIT
CH
IC1
06
to
108
LCX
244
TIMIN
G-L
ED
AS
IC
TI
M
IN
G
-L
E
D
A
S
IC
TI
M
ING
-I
C
U
A
S
IC
CP
U
U
A
R
T
PR
T
C
I/
O
PR
IN
T
D
A
T
A
SC
A
N
N
E
R
D
A
T
A
MF
P
LE
D
H
E
AD
PC
U
PR
T
C
CPU
UA
RT
OPE
(P
C
)
FA
N
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